Overview As performance levels increase, an O.E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for 1971-1973 Chrysler, Dodge and Plymouth (externally balanced) 340ci V8 engine and a A727 automatic transmission. Features include high tensile strength steel construction to resist elongation and cracking, 10.00 and 11.125-inch bolt patterns and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is then Zinc plated and treated with a Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Fits 1971-1976 Chrysler, Dodge, Plymouth with a 340ci engine and A727 Torqueflite automatic transmission. 10-inch and 11.125-inch bolt pattern. For externally balanced engines Features NHRA and IHRA Legal For All Classes Includes SFI Certification Sticker Ideal For Street Applications Zinc Plated Chromate Finish To Extreme Duty Racing Proven B&M Quality TECHNICAL SPECS Balance Internal Mounting Hole Quantity 6 Outside Diameter (In) 11.75 SFI Certification 29.1 Weight (lb) 3.5